CVE-2021-21330
Description
aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. In aiohttp before version 3.7.4 there is an open redirect vulnerability. A maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website. It is caused by a bug in the `aiohttp.web_middlewares.normalize_path_middleware` middleware. This security problem has been fixed in 3.7.4. Upgrade your dependency using pip as follows "pip install aiohttp >= 3.7.4". If upgrading is not an option for you, a workaround can be to avoid using `aiohttp.web_middlewares.normalize_path_middleware` in your applications.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-21330
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-21330.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 3.7.4-1 | |
| sles | affected | | |
| debian | bookworm | fixed | 3.7.4-1 |
| debian | bullseye | fixed | 3.7.4-1 |
| debian | forky | fixed | 3.7.4-1 |
| debian | sid | fixed | 3.7.4-1 |
| debian | trixie | fixed | 3.7.4-1 |
References
- https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg
- https://nvd.nist.gov/vuln/detail/CVE-2021-21330
- https://github.com/aio-libs/aiohttp/commit/2545222a3853e31ace15d87ae0e2effb7da0c96b
- https://github.com/aio-libs/aiohttp
- https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst#374-2021-02-25
- https://github.com/pypa/advisory-database/tree/main/vulns/aiohttp/PYSEC-2021-76.yaml
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU7ENI54JNEK3PHEFGCE46DGMFNTVU6L
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN3V7CZJRT4QFCVXB6LDPCJH7NAOFCA5
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU7ENI54JNEK3PHEFGCE46DGMFNTVU6L
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JN3V7CZJRT4QFCVXB6LDPCJH7NAOFCA5
- https://pypi.org/project/aiohttp
- https://security.gentoo.org/glsa/202208-19
- https://www.debian.org/security/2021/dsa-4864
- https://pypi.org/project/aiohttp/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JN3V7CZJRT4QFCVXB6LDPCJH7NAOFCA5/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU7ENI54JNEK3PHEFGCE46DGMFNTVU6L/
- https://www.suse.com/security/cve/CVE-2021-21330.html
- https://security-tracker.debian.org/tracker/CVE-2021-21330
Verify integrity in audit chain (admin only). AS-IS.